- if (fixcg) {
- pwarn("BAD CYLINDER GROUPS");
- if (preen)
- printf(" (SALVAGED)\n");
- else if (reply("SALVAGE") == 0)
- fixcg = 0;
- }
-}
-
-pass5check(blk, size)
- daddr_t blk;
- long size;
-{
-
- if (outrange(blk, (int)size)) {
- fixcg = 1;
- if (preen)
- pfatal("BAD BLOCKS IN BIT MAPS.");
- if (++badblk >= MAXBAD) {
- printf("EXCESSIVE BAD BLKS IN BIT MAPS.");
- if (reply("CONTINUE") == 0)
- errexit("");
- return (STOP);
- }
- }
- for (; size > 0; blk++, size--)
- if (getfmap(blk)) {
- fixcg = 1;
- ++dupblk;
- } else {
- n_ffree++;
- setfmap(blk);
- }
- return (KEEPON);
-}
-
-ckinode(dp, idesc)
- DINODE *dp;
- register struct inodesc *idesc;
-{
- register daddr_t *ap;
- int ret, n, ndb, offset;
- DINODE dino;
-
- if (SPECIAL)
- return (KEEPON);
- dino = *dp;
- idesc->id_fix = DONTKNOW;
- idesc->id_entryno = 0;
- ndb = howmany(dino.di_size, sblock.fs_bsize);
- for (ap = &dino.di_db[0]; ap < &dino.di_db[NDADDR]; ap++) {
- if (--ndb == 0 && (offset = blkoff(&sblock, dino.di_size)) != 0)
- idesc->id_numfrags =
- numfrags(&sblock, fragroundup(&sblock, offset));
- else
- idesc->id_numfrags = sblock.fs_frag;
- if (*ap == 0)
- continue;
- idesc->id_blkno = *ap;
- if (idesc->id_type == ADDR)
- ret = (*idesc->id_func)(idesc);
- else
- ret = dirscan(idesc);
- if (ret & STOP)
- return (ret);
- }
- idesc->id_numfrags = sblock.fs_frag;
- for (ap = &dino.di_ib[0], n = 1; n <= 2; ap++, n++) {
- if (*ap) {
- idesc->id_blkno = *ap;
- ret = iblock(idesc, n,
- dino.di_size - sblock.fs_bsize * NDADDR);
- if (ret & STOP)
- return (ret);
- }
- }
- return (KEEPON);
-}
-
-iblock(idesc, ilevel, isize)
- struct inodesc *idesc;
- register ilevel;
- long isize;
-{
- register daddr_t *ap;
- register daddr_t *aplim;
- int i, n, (*func)(), nif;
- BUFAREA ib;
-
- if (idesc->id_type == ADDR) {
- func = idesc->id_func;
- if (((n = (*func)(idesc)) & KEEPON) == 0)
- return (n);
- } else
- func = dirscan;
- if (outrange(idesc->id_blkno, idesc->id_numfrags)) /* protect thyself */
- return (SKIP);
- initbarea(&ib);
- if (getblk(&ib, idesc->id_blkno, sblock.fs_bsize) == NULL)
- return (SKIP);
- ilevel--;
- if (ilevel == 0) {
- nif = lblkno(&sblock, isize) + 1;
- } else /* ilevel == 1 */ {
- nif = isize / (sblock.fs_bsize * NINDIR(&sblock)) + 1;
- }
- if (nif > NINDIR(&sblock))
- nif = NINDIR(&sblock);
- aplim = &ib.b_un.b_indir[nif];
- for (ap = ib.b_un.b_indir, i = 1; ap < aplim; ap++, i++)
- if (*ap) {
- idesc->id_blkno = *ap;
- if (ilevel > 0)
- n = iblock(idesc, ilevel,
- isize - i*NINDIR(&sblock)*sblock.fs_bsize);
- else
- n = (*func)(idesc);
- if (n & STOP)
- return (n);
- }
- return (KEEPON);
-}
-
-outrange(blk, cnt)
- daddr_t blk;
- int cnt;
-{
- register int c;
-
- if ((unsigned)(blk+cnt) > fmax)
- return (1);
- c = dtog(&sblock, blk);
- if (blk < cgdmin(&sblock, c)) {
- if ((blk+cnt) > cgsblock(&sblock, c)) {
- if (debug) {
- printf("blk %d < cgdmin %d;",
- blk, cgdmin(&sblock, c));
- printf(" blk+cnt %d > cgsbase %d\n",
- blk+cnt, cgsblock(&sblock, c));
- }
- return (1);
- }
- } else {
- if ((blk+cnt) > cgbase(&sblock, c+1)) {
- if (debug) {
- printf("blk %d >= cgdmin %d;",
- blk, cgdmin(&sblock, c));
- printf(" blk+cnt %d > sblock.fs_fpg %d\n",
- blk+cnt, sblock.fs_fpg);
- }
- return (1);
- }
- }
- return (0);
-}
-
-blkerr(ino, s, blk)
- ino_t ino;
- char *s;
- daddr_t blk;
-{
-
- pfatal("%ld %s I=%u", blk, s, ino);
- printf("\n");
- statemap[ino] = CLEAR;
-}
-
-descend(parentino, inumber)
- struct inodesc *parentino;
- ino_t inumber;
-{
- register DINODE *dp;
- struct inodesc curino;
-
- bzero((char *)&curino, sizeof(struct inodesc));
- statemap[inumber] = FSTATE;
- if ((dp = ginode(inumber)) == NULL)
- return;
- if (dp->di_size == 0) {
- direrr(inumber, "ZERO LENGTH DIRECTORY");
- if (reply("REMOVE") == 1)
- statemap[inumber] = CLEAR;
- return;
- }
- if (dp->di_size < MINDIRSIZE) {
- direrr(inumber, "DIRECTORY TOO SHORT");
- dp->di_size = MINDIRSIZE;
- if (reply("FIX") == 1)
- inodirty();
- }
- curino.id_type = DATA;
- curino.id_func = parentino->id_func;
- curino.id_parent = parentino->id_number;
- curino.id_number = inumber;
- curino.id_filesize = dp->di_size;
- (void)ckinode(dp, &curino);
-}
-
-dirscan(idesc)
- register struct inodesc *idesc;
-{
- register DIRECT *dp;
- int dsize, n;
- long blksiz;
- char dbuf[DIRBLKSIZ];
-
- if (idesc->id_type != DATA)
- errexit("wrong type to dirscan %d\n", idesc->id_type);
- blksiz = idesc->id_numfrags * sblock.fs_fsize;
- if (outrange(idesc->id_blkno, idesc->id_numfrags)) {
- idesc->id_filesize -= blksiz;
- return (SKIP);
- }
- idesc->id_loc = 0;
- for (dp = fsck_readdir(idesc); dp != NULL; dp = fsck_readdir(idesc)) {
- dsize = dp->d_reclen;
- bcopy((char *)dp, dbuf, dsize);
- idesc->id_dirp = (DIRECT *)dbuf;
- if ((n = (*idesc->id_func)(idesc)) & ALTERED) {
- if (getblk(&fileblk, idesc->id_blkno, blksiz) != NULL) {
- bcopy(dbuf, (char *)dp, dsize);
- dirty(&fileblk);
- sbdirty();
- } else
- n &= ~ALTERED;
- }
- if (n & STOP)
- return (n);
- }
- return (idesc->id_filesize > 0 ? KEEPON : STOP);
-}
-
-/*
- * get next entry in a directory.
- */
-DIRECT *
-fsck_readdir(idesc)
- register struct inodesc *idesc;
-{
- register DIRECT *dp, *ndp;
- long size, blksiz;
-
- blksiz = idesc->id_numfrags * sblock.fs_fsize;
- if (getblk(&fileblk, idesc->id_blkno, blksiz) == NULL) {
- idesc->id_filesize -= blksiz - idesc->id_loc;
- return NULL;
- }
- if (idesc->id_loc % DIRBLKSIZ == 0 && idesc->id_filesize > 0 &&
- idesc->id_loc < blksiz) {
- dp = (DIRECT *)(dirblk.b_buf + idesc->id_loc);
- if (dircheck(idesc, dp))
- goto dpok;
- idesc->id_loc += DIRBLKSIZ;
- idesc->id_filesize -= DIRBLKSIZ;
- dp->d_reclen = DIRBLKSIZ;
- dp->d_ino = 0;
- dp->d_namlen = 0;
- dp->d_name[0] = '\0';
- if (dofix(idesc))
- dirty(&fileblk);
- return (dp);
- }
-dpok:
- if (idesc->id_filesize <= 0 || idesc->id_loc >= blksiz)
- return NULL;
- dp = (DIRECT *)(dirblk.b_buf + idesc->id_loc);
- idesc->id_loc += dp->d_reclen;
- idesc->id_filesize -= dp->d_reclen;
- ndp = (DIRECT *)(dirblk.b_buf + idesc->id_loc);
- if ((idesc->id_filesize <= 0 && idesc->id_loc % DIRBLKSIZ != 0) ||
- (idesc->id_loc < blksiz && idesc->id_filesize > 0 &&
- dircheck(idesc, ndp) == 0)) {
- size = DIRBLKSIZ - (idesc->id_loc % DIRBLKSIZ);
- dp->d_reclen += size;
- idesc->id_loc += size;
- idesc->id_filesize -= size;
- if (dofix(idesc))
- dirty(&fileblk);
- }
- return (dp);
-}
-
-/*
- * Verify that a directory entry is valid.
- * This is a superset of the checks made in the kernel.
- */
-dircheck(idesc, dp)
- struct inodesc *idesc;
- register DIRECT *dp;
-{
- register int size;
- register char *cp;
- int spaceleft;
-
- size = DIRSIZ(dp);
- spaceleft = DIRBLKSIZ - (idesc->id_loc % DIRBLKSIZ);
- if (dp->d_ino < imax &&
- dp->d_reclen != 0 &&
- dp->d_reclen <= spaceleft &&
- (dp->d_reclen & 0x3) == 0 &&
- dp->d_reclen >= size &&
- idesc->id_filesize >= size &&
- dp->d_namlen <= MAXNAMLEN) {
- if (dp->d_ino == 0)
- return (1);
- for (cp = dp->d_name, size = 0; size < dp->d_namlen; size++)
- if (*cp == 0 || (*cp++ & 0200))
- return (0);
- if (*cp == 0)
- return (1);
- }
- return (0);
-}
-
-direrr(ino, s)
- ino_t ino;
- char *s;
-{
- register DINODE *dp;
-
- pwarn("%s ", s);
- pinode(ino);
- printf("\n");
- if ((dp = ginode(ino)) != NULL && ftypeok(dp))
- pfatal("%s=%s\n", DIRCT?"DIR":"FILE", pathname);
- else
- pfatal("NAME=%s\n", pathname);
-}
-
-adjust(idesc, lcnt)
- register struct inodesc *idesc;
- short lcnt;
-{
- register DINODE *dp;
-
- if ((dp = ginode(idesc->id_number)) == NULL)
- return;
- if (dp->di_nlink == lcnt) {
- if (linkup(idesc->id_number, (ino_t)0) == 0)
- clri(idesc, "UNREF", 0);
- }
- else {
- pwarn("LINK COUNT %s",
- (lfdir==idesc->id_number)?lfname:(DIRCT?"DIR":"FILE"));
- pinode(idesc->id_number);
- printf(" COUNT %d SHOULD BE %d",
- dp->di_nlink, dp->di_nlink-lcnt);
- if (preen) {
- if (lcnt < 0) {
- printf("\n");
- preendie();
- }
- printf(" (ADJUSTED)\n");
- }
- if (preen || reply("ADJUST") == 1) {
- dp->di_nlink -= lcnt;
- inodirty();
- }
- }
-}
-
-clri(idesc, s, flg)
- register struct inodesc *idesc;
- char *s;
- int flg;
-{
- register DINODE *dp;
-
- if ((dp = ginode(idesc->id_number)) == NULL)
- return;
- if (flg == 1) {
- pwarn("%s %s", s, DIRCT?"DIR":"FILE");
- pinode(idesc->id_number);
- }
- if (preen || reply("CLEAR") == 1) {
- if (preen)
- printf(" (CLEARED)\n");
- n_files--;
- (void)ckinode(dp, idesc);
- zapino(dp);
- statemap[idesc->id_number] = USTATE;
- inodirty();
- inosumbad++;
- }
-}
-
-badsb(s)
- char *s;
-{
-
- if (preen)
- printf("%s: ", devname);
- printf("BAD SUPER BLOCK: %s\n", s);
- pwarn("USE -b OPTION TO FSCK TO SPECIFY LOCATION OF AN ALTERNATE\n");
- pfatal("SUPER-BLOCK TO SUPPLY NEEDED INFORMATION; SEE fsck(8).\n");
-}
-
-DINODE *
-ginode(inumber)
- ino_t inumber;
-{
- daddr_t iblk;
- static ino_t startinum = 0; /* blk num of first in raw area */
-
-
- if (inumber < ROOTINO || inumber > imax) {
- if (debug && inumber > imax)
- printf("inumber out of range (%d)\n", inumber);
- return (NULL);
- }
- if (startinum == 0 ||
- inumber < startinum || inumber >= startinum + INOPB(&sblock)) {
- iblk = itod(&sblock, inumber);
- if (getblk(&inoblk, iblk, sblock.fs_bsize) == NULL) {
- return (NULL);
- }
- startinum = (inumber / INOPB(&sblock)) * INOPB(&sblock);
- }
- return (&inoblk.b_un.b_dinode[inumber % INOPB(&sblock)]);
-}
-
-ftypeok(dp)
- DINODE *dp;
-{
- switch (dp->di_mode & IFMT) {
-
- case IFDIR:
- case IFREG:
- case IFBLK:
- case IFCHR:
- case IFLNK:
- case IFSOCK:
- return (1);
-
- default:
- if (debug)
- printf("bad file type 0%o\n", dp->di_mode);
- return (0);
- }
-}
-
-reply(s)
- char *s;
-{
- char line[80];
-
- if (preen)
- pfatal("INTERNAL ERROR: GOT TO reply()");
- rplyflag = 1;
- printf("\n%s? ", s);
- if (nflag || dfile.wfdes < 0) {
- printf(" no\n\n");
- return (0);
- }
- if (yflag) {
- printf(" yes\n\n");
- return (1);
- }
- if (getline(stdin, line, sizeof(line)) == EOF)
- errexit("\n");
- printf("\n");
- if (line[0] == 'y' || line[0] == 'Y')
- return (1);
- else
- return (0);
-}
-
-getline(fp, loc, maxlen)
- FILE *fp;
- char *loc;
-{
- register n;
- register char *p, *lastloc;
-
- p = loc;
- lastloc = &p[maxlen-1];
- while ((n = getc(fp)) != '\n') {
- if (n == EOF)
- return (EOF);
- if (!isspace(n) && p < lastloc)
- *p++ = n;
- }
- *p = 0;
- return (p - loc);
-}
-
-BUFAREA *
-getblk(bp, blk, size)
- register BUFAREA *bp;
- daddr_t blk;
- long size;
-{
- register struct filecntl *fcp;
- daddr_t dblk;
-
- fcp = &dfile;
- dblk = fsbtodb(&sblock, blk);
- if (bp->b_bno == dblk)
- return (bp);
- flush(fcp, bp);
- if (bread(fcp, bp->b_un.b_buf, dblk, size) != 0) {
- bp->b_bno = dblk;
- bp->b_size = size;
- return (bp);
- }
- bp->b_bno = (daddr_t)-1;
- return (NULL);
-}
-
-flush(fcp, bp)
- struct filecntl *fcp;
- register BUFAREA *bp;
-{
-
- if (bp->b_dirty)
- (void)bwrite(fcp, bp->b_un.b_buf, bp->b_bno, (long)bp->b_size);
- bp->b_dirty = 0;
-}
-
-rwerr(s, blk)
- char *s;
- daddr_t blk;
-{
-
- if (preen == 0)
- printf("\n");
- pfatal("CANNOT %s: BLK %ld", s, blk);
- if (reply("CONTINUE") == 0)
- errexit("Program terminated\n");
-}
-
-ckfini()
-{
-
- flush(&dfile, &fileblk);
- flush(&dfile, &sblk);
- if (sblk.b_bno != SBLOCK) {
- sblk.b_bno = SBLOCK;
- sbdirty();
- flush(&dfile, &sblk);
- }
- flush(&dfile, &inoblk);
- (void)close(dfile.rfdes);
- (void)close(dfile.wfdes);
-}
-
-pinode(ino)
- ino_t ino;
-{
- register DINODE *dp;
- register char *p;
- char uidbuf[BUFSIZ];
- char *ctime();
-
- printf(" I=%u ", ino);
- if ((dp = ginode(ino)) == NULL)
- return;
- printf(" OWNER=");
- if (getpw((int)dp->di_uid, uidbuf) == 0) {
- for (p = uidbuf; *p != ':'; p++);
- *p = 0;
- printf("%s ", uidbuf);
- }
- else {
- printf("%d ", dp->di_uid);
- }
- printf("MODE=%o\n", dp->di_mode);
- if (preen)
- printf("%s: ", devname);
- printf("SIZE=%ld ", dp->di_size);
- p = ctime(&dp->di_mtime);
- printf("MTIME=%12.12s %4.4s ", p+4, p+20);
-}
-
-makecg()
-{
- int c, blk;
- daddr_t dbase, d, dlower, dupper, dmax;
- long i, j, s;
- ino_t inumber;
- register struct csum *cs;
- register DINODE *dp;
-
- sblock.fs_cstotal.cs_nbfree = 0;
- sblock.fs_cstotal.cs_nffree = 0;
- sblock.fs_cstotal.cs_nifree = 0;
- sblock.fs_cstotal.cs_ndir = 0;
- for (c = 0; c < sblock.fs_ncg; c++) {
- dbase = cgbase(&sblock, c);
- dmax = dbase + sblock.fs_fpg;
- if (dmax > sblock.fs_size) {
- for ( ; dmax >= sblock.fs_size; dmax--)
- clrbit(cgrp.cg_free, dmax - dbase);
- dmax++;
- }
- dlower = cgsblock(&sblock, c) - dbase;
- dupper = cgdmin(&sblock, c) - dbase;
- cs = &sblock.fs_cs(&sblock, c);
- (void)time(&cgrp.cg_time);
- cgrp.cg_magic = CG_MAGIC;
- cgrp.cg_cgx = c;
- if (c == sblock.fs_ncg - 1)
- cgrp.cg_ncyl = sblock.fs_ncyl % sblock.fs_cpg;
- else
- cgrp.cg_ncyl = sblock.fs_cpg;
- cgrp.cg_niblk = sblock.fs_ipg;
- cgrp.cg_ndblk = dmax - dbase;
- cgrp.cg_cs.cs_ndir = 0;
- cgrp.cg_cs.cs_nffree = 0;
- cgrp.cg_cs.cs_nbfree = 0;
- cgrp.cg_cs.cs_nifree = 0;
- cgrp.cg_rotor = 0;
- cgrp.cg_frotor = 0;
- cgrp.cg_irotor = 0;
- for (i = 0; i < sblock.fs_frag; i++)
- cgrp.cg_frsum[i] = 0;
- inumber = sblock.fs_ipg * c;
- for (i = 0; i < sblock.fs_ipg; inumber++, i++) {
- cgrp.cg_cs.cs_nifree++;
- clrbit(cgrp.cg_iused, i);
- dp = ginode(inumber);
- if (dp == NULL)
- continue;
- if (ALLOC) {
- if (DIRCT)
- cgrp.cg_cs.cs_ndir++;
- cgrp.cg_cs.cs_nifree--;
- setbit(cgrp.cg_iused, i);
- continue;
- }
- }
- while (i < MAXIPG) {
- clrbit(cgrp.cg_iused, i);
- i++;
- }
- if (c == 0)
- for (i = 0; i < ROOTINO; i++) {
- setbit(cgrp.cg_iused, i);
- cgrp.cg_cs.cs_nifree--;
- }
- for (s = 0; s < MAXCPG; s++) {
- cgrp.cg_btot[s] = 0;
- for (i = 0; i < NRPOS; i++)
- cgrp.cg_b[s][i] = 0;
- }
- if (c == 0) {
- dupper += howmany(sblock.fs_cssize, sblock.fs_fsize);
- }
- for (d = dlower; d < dupper; d++)
- clrbit(cgrp.cg_free, d);
- for (d = 0; (d + sblock.fs_frag) <= dmax - dbase;
- d += sblock.fs_frag) {
- j = 0;
- for (i = 0; i < sblock.fs_frag; i++) {
- if (!getbmap(dbase + d + i)) {
- setbit(cgrp.cg_free, d + i);
- j++;
- } else
- clrbit(cgrp.cg_free, d+i);
- }
- if (j == sblock.fs_frag) {
- cgrp.cg_cs.cs_nbfree++;
- cgrp.cg_btot[cbtocylno(&sblock, d)]++;
- cgrp.cg_b[cbtocylno(&sblock, d)]
- [cbtorpos(&sblock, d)]++;
- } else if (j > 0) {
- cgrp.cg_cs.cs_nffree += j;
- blk = blkmap(&sblock, cgrp.cg_free, d);
- fragacct(&sblock, blk, cgrp.cg_frsum, 1);
- }
- }
- for (j = d; d < dmax - dbase; d++) {
- if (!getbmap(dbase + d)) {
- setbit(cgrp.cg_free, d);
- cgrp.cg_cs.cs_nffree++;
- } else
- clrbit(cgrp.cg_free, d);
- }
- for (; d % sblock.fs_frag != 0; d++)
- clrbit(cgrp.cg_free, d);
- if (j != d) {
- blk = blkmap(&sblock, cgrp.cg_free, j);
- fragacct(&sblock, blk, cgrp.cg_frsum, 1);
- }
- for (d /= sblock.fs_frag; d < MAXBPG(&sblock); d ++)
- clrblock(&sblock, cgrp.cg_free, d);
- sblock.fs_cstotal.cs_nffree += cgrp.cg_cs.cs_nffree;
- sblock.fs_cstotal.cs_nbfree += cgrp.cg_cs.cs_nbfree;
- sblock.fs_cstotal.cs_nifree += cgrp.cg_cs.cs_nifree;
- sblock.fs_cstotal.cs_ndir += cgrp.cg_cs.cs_ndir;
- *cs = cgrp.cg_cs;
- (void)bwrite(&dfile, (char *)&cgrp,
- fsbtodb(&sblock, cgtod(&sblock, c)), sblock.fs_cgsize);
- }
- for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) {
- (void)bwrite(&dfile, (char *)sblock.fs_csp[j],
- fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag),
- sblock.fs_cssize - i < sblock.fs_bsize ?
- sblock.fs_cssize - i : sblock.fs_bsize);
- }
- sblock.fs_ronly = 0;
- sblock.fs_fmod = 0;
- sbdirty();
-}
-
-findino(idesc)
- struct inodesc *idesc;
-{
- register DIRECT *dirp = idesc->id_dirp;
-
- if (dirp->d_ino == 0)
- return (KEEPON);
- if (!strcmp(dirp->d_name, srchname)) {
- if (dirp->d_ino >= ROOTINO && dirp->d_ino <= imax)
- idesc->id_parent = dirp->d_ino;
- return (STOP);
- }
- return (KEEPON);
-}
-
-mkentry(idesc)
- struct inodesc *idesc;
-{
- register DIRECT *dirp = idesc->id_dirp;
- DIRECT newent;
- int newlen, oldlen;
-
- newent.d_namlen = 11;
- newlen = DIRSIZ(&newent);
- if (dirp->d_ino != 0)
- oldlen = DIRSIZ(dirp);
- else
- oldlen = 0;
- if (dirp->d_reclen - oldlen < newlen)
- return (KEEPON);
- newent.d_reclen = dirp->d_reclen - oldlen;
- dirp->d_reclen = oldlen;
- dirp = (struct direct *)(((char *)dirp) + oldlen);
- dirp->d_ino = idesc->id_parent; /* ino to be entered is in id_parent */
- dirp->d_reclen = newent.d_reclen;
- dirp->d_namlen = lftempname(dirp->d_name, idesc->id_parent);
- return (ALTERED|STOP);
-}
-
-chgdd(idesc)
- struct inodesc *idesc;
-{
- register DIRECT *dirp = idesc->id_dirp;
-
- if (dirp->d_name[0] == '.' && dirp->d_name[1] == '.' &&
- dirp->d_name[2] == 0) {
- dirp->d_ino = lfdir;
- return (ALTERED|STOP);
- }
- return (KEEPON);
-}
-
-linkup(orphan, pdir)
- ino_t orphan;
- ino_t pdir;
-{
- register DINODE *dp;
- int lostdir, len;
- struct inodesc idesc;
-
- bzero((char *)&idesc, sizeof(struct inodesc));
- if ((dp = ginode(orphan)) == NULL)
- return (0);
- lostdir = DIRCT;
- pwarn("UNREF %s ", lostdir ? "DIR" : "FILE");
- pinode(orphan);
- if (preen && dp->di_size == 0)
- return (0);
- if (preen)
- printf(" (RECONNECTED)\n");
- else
- if (reply("RECONNECT") == 0)
- return (0);
- pathp = pathname;
- *pathp++ = '/';
- *pathp = '\0';
- if (lfdir == 0) {
- if ((dp = ginode(ROOTINO)) == NULL)
- return (0);
- srchname = lfname;
- idesc.id_type = DATA;
- idesc.id_func = findino;
- idesc.id_number = ROOTINO;
- idesc.id_filesize = dp->di_size;
- (void)ckinode(dp, &idesc);
- if ((lfdir = idesc.id_parent) == 0) {
- pfatal("SORRY. NO lost+found DIRECTORY");
- printf("\n\n");
- return (0);
- }
- }
- if ((dp = ginode(lfdir)) == NULL ||
- !DIRCT || statemap[lfdir] != FSTATE) {
- pfatal("SORRY. NO lost+found DIRECTORY");
- printf("\n\n");
- return (0);
- }
- if (fragoff(&sblock, dp->di_size)) {
- dp->di_size = fragroundup(&sblock, dp->di_size);
- inodirty();
- }
- len = strlen(lfname);
- bcopy(lfname, pathp, len + 1);
- pathp += len;
- idesc.id_type = DATA;
- idesc.id_func = mkentry;
- idesc.id_number = lfdir;
- idesc.id_filesize = dp->di_size;
- idesc.id_parent = orphan; /* this is the inode to enter */
- idesc.id_fix = DONTKNOW;
- if ((ckinode(dp, &idesc) & ALTERED) == 0) {
- pfatal("SORRY. NO SPACE IN lost+found DIRECTORY");
- printf("\n\n");
- return (0);
- }
- lncntp[orphan]--;
- *pathp++ = '/';
- pathp += lftempname(pathp, orphan);
- if (lostdir) {
- dp = ginode(orphan);
- idesc.id_type = DATA;
- idesc.id_func = chgdd;
- idesc.id_number = orphan;
- idesc.id_filesize = dp->di_size;
- idesc.id_fix = DONTKNOW;
- (void)ckinode(dp, &idesc);
- if ((dp = ginode(lfdir)) != NULL) {
- dp->di_nlink++;
- inodirty();
- lncntp[lfdir]++;
- }
- pwarn("DIR I=%u CONNECTED. ", orphan);
- printf("PARENT WAS I=%u\n", pdir);
- if (preen == 0)
- printf("\n");
- }
- return (1);
-}
-
-/*
- * generate a temporary name for the lost+found directory.
- */
-lftempname(bufp, ino)
- char *bufp;
- ino_t ino;
-{
- register ino_t in;
- register char *cp;
- int namlen;
-
- cp = bufp + 2;
- for (in = imax; in > 0; in /= 10)
- cp++;
- *--cp = 0;
- namlen = cp - bufp;
- in = ino;
- while (cp > bufp) {
- *--cp = (in % 10) + '0';
- in /= 10;
- }
- *cp = '#';
- return (namlen);
-}
-
-bread(fcp, buf, blk, size)
- register struct filecntl *fcp;
- char *buf;
- daddr_t blk;
- long size;
-{
- if (lseek(fcp->rfdes, (long)dbtob(blk), 0) < 0)
- rwerr("SEEK", blk);
- else if (read(fcp->rfdes, buf, (int)size) == size)
- return (1);
- rwerr("READ", blk);
- return (0);
-}
-
-bwrite(fcp, buf, blk, size)
- register struct filecntl *fcp;
- char *buf;
- daddr_t blk;
- long size;
-{
-
- if (fcp->wfdes < 0)
- return (0);
- if (lseek(fcp->wfdes, (long)dbtob(blk), 0) < 0)
- rwerr("SEEK", blk);
- else if (write(fcp->wfdes, buf, (int)size) == size) {
- fcp->mod = 1;
- return (1);
- }
- rwerr("WRITE", blk);
projects / unix-history / blobdiff